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Howard Hinnantbc8d3f92010-05-11 19:42:16 +00001// -*- C++ -*-
2//===--------------------------- __config ---------------------------------===//
3//
Howard Hinnantf5256e12010-05-11 21:36:01 +00004// The LLVM Compiler Infrastructure
Howard Hinnantbc8d3f92010-05-11 19:42:16 +00005//
6// This file is distributed under the University of Illinois Open Source
7// License. See LICENSE.TXT for details.
8//
9//===----------------------------------------------------------------------===//
10
11#ifndef _LIBCPP_CONFIG
12#define _LIBCPP_CONFIG
13
14#pragma GCC system_header
15
16#define _LIBCPP_VERSION 1000
17
18#define _LIBCPP_ABI_VERSION 1
19
20#define _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_X##_LIBCPP_Y
21#define _LIBCPP_CONCAT(_LIBCPP_X,_LIBCPP_Y) _LIBCPP_CONCAT1(_LIBCPP_X,_LIBCPP_Y)
22
23#define _LIBCPP_NAMESPACE _LIBCPP_CONCAT(__,_LIBCPP_ABI_VERSION)
24
25#ifdef __LITTLE_ENDIAN__
26#if __LITTLE_ENDIAN__
27#define _LIBCPP_LITTLE_ENDIAN 1
28#define _LIBCPP_BIG_ENDIAN 0
Howard Hinnant324bb032010-08-22 00:02:43 +000029#endif // __LITTLE_ENDIAN__
30#endif // __LITTLE_ENDIAN__
Howard Hinnantbc8d3f92010-05-11 19:42:16 +000031
32#ifdef __BIG_ENDIAN__
33#if __BIG_ENDIAN__
34#define _LIBCPP_LITTLE_ENDIAN 0
35#define _LIBCPP_BIG_ENDIAN 1
Howard Hinnant324bb032010-08-22 00:02:43 +000036#endif // __BIG_ENDIAN__
37#endif // __BIG_ENDIAN__
Howard Hinnantbc8d3f92010-05-11 19:42:16 +000038
David Chisnall3e13d4f2010-08-11 16:27:20 +000039#ifdef __FreeBSD__
40# include <sys/endian.h>
41# if _BYTE_ORDER == _LITTLE_ENDIAN
42# define _LIBCPP_LITTLE_ENDIAN 1
43# define _LIBCPP_BIG_ENDIAN 0
Howard Hinnant324bb032010-08-22 00:02:43 +000044# else // _BYTE_ORDER == _LITTLE_ENDIAN
David Chisnall3e13d4f2010-08-11 16:27:20 +000045# define _LIBCPP_LITTLE_ENDIAN 0
46# define _LIBCPP_BIG_ENDIAN 1
Howard Hinnant324bb032010-08-22 00:02:43 +000047# endif // _BYTE_ORDER == _LITTLE_ENDIAN
48#endif // __FreeBSD__
David Chisnall3e13d4f2010-08-11 16:27:20 +000049
Howard Hinnantbc8d3f92010-05-11 19:42:16 +000050#if !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN)
Howard Hinnantadff4892010-05-24 17:49:41 +000051# include <endian.h>
52# if __BYTE_ORDER == __LITTLE_ENDIAN
53# define _LIBCPP_LITTLE_ENDIAN 1
54# define _LIBCPP_BIG_ENDIAN 0
55# elif __BYTE_ORDER == __BIG_ENDIAN
56# define _LIBCPP_LITTLE_ENDIAN 0
57# define _LIBCPP_BIG_ENDIAN 1
Howard Hinnant324bb032010-08-22 00:02:43 +000058# else // __BYTE_ORDER == __BIG_ENDIAN
Howard Hinnantadff4892010-05-24 17:49:41 +000059# error unable to determine endian
60# endif
Howard Hinnant324bb032010-08-22 00:02:43 +000061#endif // !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN)
Howard Hinnantbc8d3f92010-05-11 19:42:16 +000062
63#ifndef _LIBCPP_VISIBILITY_TAG
64#define _LIBCPP_VISIBILITY_TAG 1
65#endif
66
67#if _LIBCPP_VISIBILITY_TAG
68#define _LIBCPP_HIDDEN __attribute__ ((__visibility__("hidden")))
69#define _LIBCPP_VISIBLE __attribute__ ((__visibility__("default")))
Howard Hinnant324bb032010-08-22 00:02:43 +000070#else // _LIBCPP_VISIBILITY_TAG
Howard Hinnantbc8d3f92010-05-11 19:42:16 +000071#define _LIBCPP_HIDDEN
72#define _LIBCPP_VISIBLE
Howard Hinnant324bb032010-08-22 00:02:43 +000073#endif // _LIBCPP_VISIBILITY_TAG
Howard Hinnantbc8d3f92010-05-11 19:42:16 +000074
75#ifndef _LIBCPP_INLINE_VISIBILITY
76#define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__visibility__("hidden"), __always_inline__))
77#endif
78
79#ifndef _LIBCPP_EXCEPTION_ABI
80#define _LIBCPP_EXCEPTION_ABI __attribute__ ((__visibility__("default")))
81#endif
82
83#define _LIBCPP_CANTTHROW __attribute__ ((__nothrow__))
84
85#define _LIBCPP_ALWAYS_INLINE __attribute__((__always_inline__))
86
Howard Hinnant60a0a8e2010-08-10 20:48:29 +000087#if defined(__clang__)
88
Howard Hinnant73d21a42010-09-04 23:28:19 +000089#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
90#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES
Howard Hinnant87eea6d2010-09-07 20:31:18 +000091
92#ifndef __GXX_EXPERIMENTAL_CXX0X__
Howard Hinnant3975ebd2010-09-16 23:27:26 +000093typedef __char16_t char16_t;
94typedef __char32_t char32_t;
Howard Hinnant87eea6d2010-09-07 20:31:18 +000095#endif
Howard Hinnant73d21a42010-09-04 23:28:19 +000096
Howard Hinnant60a0a8e2010-08-10 20:48:29 +000097#if !(__has_feature(cxx_exceptions))
98#define _LIBCPP_NO_EXCEPTIONS
99#endif
100
Howard Hinnantd4444702010-08-11 17:04:31 +0000101#if !(__has_feature(cxx_rtti))
102#define _LIBCPP_NO_RTTI
103#endif
104
Howard Hinnant73d21a42010-09-04 23:28:19 +0000105#if !(__has_feature(cxx_decltype))
106#define _LIBCPP_HAS_NO_DECLTYPE
107#endif
108
109#if !(__has_feature(cxx_attributes))
110#define _LIBCPP_HAS_NO_ATTRIBUTES
111#endif
112
113#if !(__has_feature(cxx_deleted_functions))
114#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
115#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
116#endif // !(__has_feature(cxx_deleted_functions))
117
118#if !(__has_feature(cxx_lambdas))
119#define _LIBCPP_HAS_NO_LAMBDAS
120#endif
121
122#if !(__has_feature(cxx_nullptr))
123#define _LIBCPP_HAS_NO_NULLPTR
124#endif
125
126#if !(__has_feature(cxx_rvalue_references))
127#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
128#endif
129
130#if !(__has_feature(cxx_static_assert))
131#define _LIBCPP_HAS_NO_STATIC_ASSERT
132#endif
133
134#if !(__has_feature(cxx_auto_type))
135#define _LIBCPP_HAS_NO_AUTO_TYPE
136#endif
137
138#if !(__has_feature(cxx_variadic_templates))
139#define _LIBCPP_HAS_NO_VARIADICS
140#endif
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000141
Howard Hinnant171a9a72010-09-03 23:03:25 +0000142#if __has_feature(cxx_inline_namespaces)
143#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE {
144#define _LIBCPP_END_NAMESPACE_STD } }
145#define _STD std::_LIBCPP_NAMESPACE
146
147namespace std {
148inline namespace _LIBCPP_NAMESPACE {
149}
150using namespace _LIBCPP_NAMESPACE;
151}
Howard Hinnant73d21a42010-09-04 23:28:19 +0000152
Howard Hinnant171a9a72010-09-03 23:03:25 +0000153#else // __has_feature(cxx_inline_namespaces)
154#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {
155#define _LIBCPP_END_NAMESPACE_STD }
156#define _STD std
157#endif // __has_feature(cxx_inline_namespaces)
158
Howard Hinnant13870382010-09-06 19:10:31 +0000159#if !(__has_feature(cxx_constexpr))
160#define _LIBCPP_HAS_NO_CONSTEXPR
161#endif
162
Howard Hinnant73d21a42010-09-04 23:28:19 +0000163// end defined(__clang__)
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000164
165#elif defined(__GNUC__)
166
167#if !__EXCEPTIONS
168#define _LIBCPP_NO_EXCEPTIONS
169#endif
170
171#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES
Howard Hinnant13870382010-09-06 19:10:31 +0000172#define _LIBCPP_HAS_NO_CONSTEXPR
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000173
174#ifndef __GXX_EXPERIMENTAL_CXX0X__
175
176#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
177#define _LIBCPP_HAS_NO_DECLTYPE
178#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
179#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
180#define _LIBCPP_HAS_NO_NULLPTR
181#define _LIBCPP_HAS_NO_STATIC_ASSERT
182#define _LIBCPP_HAS_NO_UNICODE_CHARS
183#define _LIBCPP_HAS_NO_VARIADICS
Howard Hinnant73d21a42010-09-04 23:28:19 +0000184#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000185
Howard Hinnant324bb032010-08-22 00:02:43 +0000186#else // __GXX_EXPERIMENTAL_CXX0X__
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000187
Howard Hinnant73d21a42010-09-04 23:28:19 +0000188#if !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 3)
189#define _LIBCPP_HAS_NO_RVALUE_REFERENCES
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000190#endif
191
192#if !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 3)
193#define _LIBCPP_HAS_NO_STATIC_ASSERT
194#endif
195
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000196#if !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 4)
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000197#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000198#define _LIBCPP_HAS_NO_DECLTYPE
199#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
200#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
201#define _LIBCPP_HAS_NO_UNICODE_CHARS
202#define _LIBCPP_HAS_NO_VARIADICS
Howard Hinnant324bb032010-08-22 00:02:43 +0000203#endif // !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 4)
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000204
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000205#if !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 6)
206#define _LIBCPP_HAS_NO_NULLPTR
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000207#endif
208
Howard Hinnant324bb032010-08-22 00:02:43 +0000209#endif // __GXX_EXPERIMENTAL_CXX0X__
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000210
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000211#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { namespace _LIBCPP_NAMESPACE {
212#define _LIBCPP_END_NAMESPACE_STD } }
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000213#define _STD std::_LIBCPP_NAMESPACE
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000214
215namespace std {
216namespace _LIBCPP_NAMESPACE {
217}
218using namespace _LIBCPP_NAMESPACE __attribute__((__strong__));
219}
220
Howard Hinnant171a9a72010-09-03 23:03:25 +0000221#endif // defined(__GNUC__)
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000222
223#ifdef _LIBCPP_HAS_NO_UNICODE_CHARS
Howard Hinnant60a0a8e2010-08-10 20:48:29 +0000224typedef unsigned short char16_t;
225typedef unsigned int char32_t;
Howard Hinnant324bb032010-08-22 00:02:43 +0000226#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000227
228#ifdef _LIBCPP_HAS_NO_STATIC_ASSERT
229
230template <bool> struct __static_assert_test;
231template <> struct __static_assert_test<true> {};
232template <unsigned> struct __static_assert_check {};
233#define static_assert(__b, __m) \
234 typedef __static_assert_check<sizeof(__static_assert_test<(__b)>)> \
235 _LIBCPP_CONCAT(__t, __LINE__)
236
Howard Hinnant324bb032010-08-22 00:02:43 +0000237#endif // _LIBCPP_HAS_NO_STATIC_ASSERT
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000238
239#ifdef _LIBCPP_HAS_NO_DECLTYPE
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000240#define decltype(x) __typeof__(x)
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000241#endif
242
Howard Hinnant13870382010-09-06 19:10:31 +0000243#ifdef _LIBCPP_HAS_NO_CONSTEXPR
244#define constexpr const
245#endif
246
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000247#endif // _LIBCPP_CONFIG